Book/Report FZJ-2016-03503

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Gamma-Spektrometrische Abbrandmessung an kugelförmigen Brennelementen

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1977
Kernforschungsanlage Jülich, Verlag Jülich

Jülich : Kernforschungsanlage Jülich, Verlag, Berichte der Kernforschungsanlage Jülich 1428, 36 p. ()

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Report No.: Juel-1428

Abstract: In the hot cell laboratories at KFA Jiilich the burn up of spherical fuel elements is determined by measuring the Cs 137 activity producedduring irradiation by means of gamma-spectrometry. A large number of these spheres is taken from the AVR regularly and in order to reduce hot-cell time, a special measuring device has been developed to reduce the counting-time for each sphere. The fuel element is placed in the hot cell in a defined position. The measuring equipment consisting of a Ge(Li) detector and the pulse electronics equipment with multichannelanalyser is mounted in the inactive service area. A specially designed collimator is positioned in a penetration in the cell wall to reduce the intensity of the gamma beam. Up to now more than 1800 spheres have been measured. By comparing the results with mass-spectrometric measurements a difference of less than $\pm$5 percent was found.


Contributing Institute(s):
  1. Publikationen vor 2000 (PRE-2000 ; Retrocat)
Research Program(s):
  1. 899 - ohne Topic (POF3-899) (POF3-899)

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 Record created 2016-06-30, last modified 2021-01-29


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